# SDR QXEA0000077

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N476US](https://openairdocs.org/aircraft/N476US), registered now
- Make and model: Fokker F.28 MK4000
- Registry model: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Aircraft serial: 11224
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Bs 3450 - 4150
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA0000077

## Discrepancy

PDX - STRINGER 68 BETWEEN FRAME 3450 AND 4150 HAS CRACK IN RIVET HOLE, FOUR RIVETS FORWARD OF FRAME 4150.  REPAIRED IAW FOKKER SRM 53-02-05, PAGE 3, FIGURE 1.

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